Answer:
its biotic
Explanation:
Chicken egg is biotic.
What are biotic or abiotic components?
Biotic components are living organisms while abiotic components are nonliving organisms. All biotic components are living components of ecosystem. Bacteria and birds, animals are living components.
Abiotic components are non living components. sunlight, water and temperature are the non living components. Biotic factors are producers, herbivores and omnivores.
Abiotic components are physical and chemical components that act on the living components. In chicken cell the yolk which is living cells.
Biotic components also include the waste from living things and dead organisms. Earth have many biotic components. The surface of Mars has no biotic components.
Therefore, Chicken egg is biotic.
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23. Which of the below names is not a type of biologist?
a) paleontologist
b) botanist
I
c) zoologist
d) astrophysicist
BA
Answer:
D
explanation: it literally has physics in its name
A student placed a small chip of limestone into a hydrochloric acid solution, and carbon dioxide gas was released. The carbon dioxide provided evidence that
A. The formation of an element occurred.
B. Only a physical change occurred.
C. A chemical change occurred.
D. Only a loss of mass occurred.
C. A chemical change occurred.
Which plant propagation process insures some genetic diversity?
Answer:
Seed propagation takes place during sexual reproduction. The production of seeds through auto-pollination or crossed pollination ensures some genetic variation.
Explanation:
Seeds ensure the existence of genetic variation between plants. There are two general crossing systems in plants, which depend on pollination type.
Self-pollination occurs when the flower pollen is transferred to the same flower stigma, reaching that individual egg to fertilize it. These are autogamous systems. Crossed pollination occurs when the mature pollen is driven by different pollinator agents from one flower to another, reaching the other flower stigma and fertilizing its eggs. These are xenogamous systems.Sexual reproduction gives more possibilities to different alleles of a gene that did not appear in one generation to express in the next generation. Both types of pollination allow genetic variation, however by the occurrence of crossed pollination there are more chances to ensure the variability of the species and survival to environmental changes. While by self-pollination there are more chances to express the same genotype of the parental plant. The Xenogamous system has the advantage of avoiding the effects of endogamy in a population.
Respiration requires _________,
which is a waste given off during photosynthesis
Answer:
it's oxygen
Explanation:
PLEASE PLEASE HELP I WILL GIVE BRAINALIST AND EXTRA POINTS
Pls answer its due soon!!!
Explanation:
Meiosis makes genetic variety possible. It makes sperm & egg cells called gametes. Each gamete has 23 chromosomes. To make a diploid cell two gametes (sperm & cell) come together.
During prophase 1 the chromosomes pair up with their homologous pairs so they can transfer their genetic information and exchange it between each other. It makes recombinant chromosomes that influence the genetic diversity between the same people.
Now they are in metaphase 1, the chromosomes are in pairs in the middle of the cell. In anaphase 1, the chromosomes are pulled away by the spindle fibers. Then in telophase 1, there are two formed nuclei. Cytokinesis 1 then splits the cytoplasm.
Now they are in meiosis 2. During prophase 2, there are chromosomes and the spindles are starting to form again without crossing over like in prophase 1. In metaphase 2, chromosomes are going to line up in the middle in both cells unlike during metaphase 1 where the chromosomes were only in pairs. In anaphase 2, only the chromatids are being pulled away by the spindle fibers. Next in telophase 2 the nuclei reform and the 2 cells are each going to divide into 4 cells. Finally, cytokinesis completely splits the cytoplasm.
Keeping in mind that each sex only produces one type of gamete cell (sperm or eggs), and of the independent assortment and crossing over of chromosomes, the end result will be diversity.
what is 1 problem you have?
My family. They always argue with each other and I'm just there.
Answer:
I have the same problem that everyone have....CORONA VIRUS! I want it to be end by now :)
Explanation
Your teacher takes a candle and cuts some wax from the bottom of it. She puts the bit of wax in a beaker and places it on a hot plate. Eventually, the wax melts and becomes liquid. Do you think this is a physical or chemical change?
Answer:
Chemical
Explanation:
what happens to the neuron when u do drugs
Answer:
Explanation:
well different kinds of drugs can affect neuron activity an example is if you take pain pills it blocks the neurons that sense pain other drugs can give you high levels of dopamine, dopamine is the hormone that makes you feel good. that is why drug addictions are serious, and many cannot stop the addiction because it makes them feel good. and if you take the same dose over time your body gets a tolerance to the drug and you need a higher dose every time to get the same feeling and that can lead to an overdose or even death.
and no this is not copied :)
What is a GMO and why are GM foods controversial?
Answer:
Genetically modified organism
Explanation:
They are controversial because since they are still so new, we don't know what they will do long-term. They have been said to cause allergic reactions.
Question 14 (2 points)
(06.03 MC)
Which of the following correctly identifies a lymphatic organ and describes how it
can fight cancer? (2 points)
1) Lymph vessel; removes fluid from tissues
2) Lymph trunk; returns lymph to the blood
3) Spleen; replaces damaged red blood cells
4) Thymus; exposes lymphocytes to antigens
All of the statements correctly identify a lymphatic organ. In vertebrates, the lymphatic organs, also known as the lymphoid system, are an organ system that is a part of the immune system and works in conjunction with the circulatory system.
The Lymphatic OrgansLymphatic vessels, which are found all over your body and transport lymph away from tissues, are a network of capillaries (microvessels) and a huge network of tubes.By emptying into the corresponding subclavian veins, the lymph ducts, which are formed by the lymph trunks, restore lymph to circulation.Red blood cells that are outdated or damaged are eliminated by the spleen, which also removes cellular waste from circulation.Training specific white blood cells known as T-lymphocytes or T-cells is the thymus gland's main job.Hence, all of the statements correctly identify a lymphatic organ.
How lymphatic system fights Cancer?Regional lymph nodes, which are predictive of distant organ metastases and poor survival, are accessible to tumor cells via lymphatic arteries.As the lymph fluid moves through the lymph nodes, it is filtered. B cells and T cells, two types of white blood cells, assault any viruses or bacteria they discover in the lymph.To learn more about the Lymphatic System refer to:
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A claim for a CER, is a simple sentence that answers the scientific question without
explaining why it is a good answer.
True
False
20 points and will mark brainliest! Please explain how you got it though
Answer:
crossing over during meiosis
Explanation:
i just had biology last semester hope this helps
Calculate the mass of an object whose weight is 400 N and acceleration due to
gravity is 10 m/s2
Answer:
40
weight= 400N
acceleration due to gravity= 10m/s2
now
force=m*g
400=m*10
m=40kg
if you step on a sharp object muscles in your leg will rapidly put your foot away.
what is the correct term for this type of reaction?
Answer:
Explanation:
Sharp object the reaction is a reflex its involuntary and it doesn't involve ur brain it protects u from damage.So u step on the sharp object whihc is a stimulus so the reaction is reflex its quick and automatic.
Hope this helps
Describe and explain how the two types of white blood cells fight pathogens? 6 mark
Answer:
White Blood Cells Defend the Body Against Disease
Neutrophils are phagocytes, cells that consume invading pathogens. Lymphocytes, the second most common type of white blood cell, disseminate through the organs and tissues of the lymphatic system. Lymphocytes target specific pathogens as part of the immune response.
Explanation:
why does the temp of the air increase with the height of the stratosphere?
Answer:
The hot air rises and the cool air falls
Explanation:
Dr. Fatima was investigating the pathways in photosynthesis. She observed a set of chemical reactions whereby electrons were getting excited and energy carriers were being made and water was splitting. What process was she observing?
A. Krebs cycle
B. Light Reactions
C. glycolysis
D. Calvin cycle
PLEASE HELP
Fact vs. Opinion
Read each statement and decide if it is a fact (can be proven with evidence) or an opinion (personal belief).
8. Different cell types also have special duties, like building skin or bone, pumping out hormones, or making antibodies.
9. Animal cells are more interesting than plant cells.
10. Proteins are processed and lipids are manufactured in the smooth endoplasmic reticulum and Golgi apparatus.
Answer:
8 fact 9: opinion 10: fact
Explanation:
Answer:
8. Fact
9. Opinion
10. Fact
Wyatt has heart problems
Answer:
If Wyatt has heart problems, Wyatt can eat healthy foods to try and decrease the problems, Wyatt can also make sure that his weight and blood pressure isn't to high. Wyatt can try to get seen at the hospital to make sure everything is fine.
The dodo bird is now extinct. What factor would not have led to its extinction?
Answer:it was well adapted to living on the island of Mauritius
Explanation:
Who is to blame climate change?
Scientists have measured global temperatures for over a hundred years and see that the Earth is getting hotter. Ice core data suggests the Earth should actually be cooling if it were following its natural cycles. The trend can be best visualized by comparing each year’s average temperature with the long- term average. Figure 1 shows observations of the world’s annual average temperature made by the National Oceanic and Atmospheric Administration (NOAA). In recent decades, the years have always been hotter.
Over geologic time, the Earth’s average temperature has changed as a result of the sun’s output, the tilt and position of the Earth in its orbit, and the concentration of greenhouse gases. Scientists have developed a good understanding of the natural variations in these factors by examining different data sources in order to estimate ancient temperatures. Observations tell us that these natural factors have not been changing over the last hundred years or so in a way that would explain the observed temperature increases.
In contrast, greenhouse gases have been changing in a way that can explain the observed temperature increases. Figure 2 shows the change in atmospheric CO2 concentration over the last thousand years. At the Scripps Institute of Oceanography in Hawaii researchers have been sampling pristine mountaintop air every month since 1958. Their observations show that both the concentration and isotopic composition of CO2 is changing, and is consistent with manmade sources, including the carbon emissions from burning fossil fuels. The industrial revolution marked a drastic increase in CO2 concentrations in the atmosphere when humans began using fossil fuels on a large scale.
Scientists attribute the global warming trend observed since the mid-20th century to the human expansion of the "greenhouse effect"1 — warming that results when the atmosphere traps heat radiating from Earth toward space. Certain gases in the atmosphere block heat from escaping. CO2 along with other gases are known as greenhouse gases. Over the last century the burning of fossil fuels like coal and oil has increased the concentration of atmospheric CO2. In its Fifth Assessment Report, the Intergovernmental Panel on Climate Change, a group of 1,300 independent scientific experts from countries all over the world under the auspices of the United Nations, concluded there's a more than 95 percent probability that human activities over the past 50 years have warmed our planet.
Give evidence and reasoning!!
Answer:
People
Explanation:
The energy we use and waste
NOT SURE IF THIS IS RIGHT PLEASSSEEEEWEEE HELPP
Its false
Because each organism some has same needs or different needs.
WHY IS A FOSSIL FOUND IN MULTIPLE LAYERS OF ROCK (TIME PERIODS) NOT CONSIDERED A RELIABLE INDEX FOSSIL?
How many carbon atoms react with 14 molecules of oxygen to form 14 molecules of
carbon dioxide.
Answer:
28
Explanation:
Answer:
I think it might be 5.
Explanation:
Pls I need answers at least one answer of any of the questions
What happened? A corpse is discovered in an enclosed room, there are no open windows, yet blowfly larva (stage 2) are found on the body. What does this tell you about the corpse?
Answer:
The corpse was deposited into the room from somewhere else
Explanation:
The larva could not have spontaneously emerged from the corpse if the blowfly had not somehow perched and laid its egg on it. Since there are no open windows, and perhaps, other openings to the room; the only plausible explanation for the emergence of the blowfly larva would be that the corpse was deposited into the room from somewhere else. From the initial location, the blowfly had perched and laid its egg on the body and the eggs only hatched while in the enclosed room.
The corpse changed into deposited into the room from someplace else as the larva couldn't have spontaneously emerged from the corpse if the blowfly had now no longer in some way perched and laid its egg on it.
Since there aren't any open windows, and perhaps, different openings to the room; the best potential cause of the emergence of the blowfly larva might be that the corpse changed into deposited into the room from someplace else. From the preliminary location, the blowfly had perched and laid its egg at the frame and the eggs best hatched even as withinside the enclosed room.
What are larvae?Larvae are the caterpillars and worms that has some kind of grubs and maggots. It usually lives inside the mud.
Thus it is well explained.
To learn more about blowfly larva refer to link :
https://brainly.com/question/11659006
What does it mean that earlobe attachment is a continuous trait?
Answer:
If you decided that the continuous spectrum of earlobe shape was a more accurate way to describe the variation, you aren’t alone. Family and genetic studies show that earlobe attachment is actually not a simple trait, but rather a complex trait, affected by multiple genes and environmental factors.
What are proteins compounds involved in?
Select from the options below: O A. I have a purebred dog/cat. O. B. I have a rescue purebred dog/cat. O " C. I have a "shelter" adopted dog/cat. D. I don't have a dog/cat.
Answer:
A
Explanation:
lol Purebred bloodhound
Hope you have a great day :D